They help pump blood at a greater distance than Atria can.
Answer:
There are advantages and disadvantages of sexual reproduction, compared to asexual reproduction. The main issues are: Advantages: More variation assists with survival. It increases the chance that at least some offspring of a parent survive.
Answer:
Nitrogen dioxide is an irritant gas, which at high concentrations causes inflammation of the airways. ... NOx gases react to form smog and acid rain as well as being central to the formation of fine particles (PM) and ground level ozone, both of which are associated with adverse health effects..
Explanation:
When performing scientific research, one must always avoid using personal biases so that there are no errors or interruptions. Hope this helps you.